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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [org/] [omg/] [CORBA/] [portable/] [ObjectImpl.java] - Blame information for rev 775

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1 775 jeremybenn
/* ObjectImpl.java --
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   Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING.  If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library.  Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module.  An independent module is a module which is not derived from
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or based on this library.  If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so.  If you do not wish to do so, delete this
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exception statement from your version. */
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package org.omg.CORBA.portable;
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import org.omg.CORBA.BAD_PARAM;
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import org.omg.CORBA.Context;
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import org.omg.CORBA.ContextList;
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import org.omg.CORBA.DomainManager;
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import org.omg.CORBA.ExceptionList;
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import org.omg.CORBA.NVList;
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import org.omg.CORBA.NamedValue;
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import org.omg.CORBA.ORB;
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import org.omg.CORBA.Policy;
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import org.omg.CORBA.Request;
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import org.omg.CORBA.SetOverrideType;
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/**
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 * The basic implementation of the CORBA Object. The most of the methods
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 * delegate the functionality to the {@link Delegate} that can be replaced
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 * by {@link #_set_delegate(Delegate)}.
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 *
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 * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
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 */
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public abstract class ObjectImpl
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  implements org.omg.CORBA.Object
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{
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  /**
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   * The delegate, responsible for the method implementations.
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   */
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  transient Delegate delegate;
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  /**
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    * Create a request to invoke the method of this object, specifying
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    * context list and the list of the expected exception.
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    *
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    * @param context a list of additional properties.
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    * @param operation the name of method to be invoked.
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    * @param parameters the method parameters.
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    * @param returns the container for tge method returned value.
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    * @param exceptions the list of the possible exceptions that the method
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    * can throw.
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    * @param ctx_list the list of the context strings that need to be
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    * resolved and send as a context instance.
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    *
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    * @return the created reaquest.
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    */
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  public Request _create_request(Context context, String operation,
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                                 NVList parameters, NamedValue returns,
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                                 ExceptionList exceptions, ContextList ctx_list
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                                )
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  {
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    return delegate.create_request(this, context, operation, parameters,
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                                   returns, exceptions, ctx_list
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                                  );
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  }
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  /**
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   * Create a request to invoke the method of this object.
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   *
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   * @param context a list of additional properties.
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   * @param operation the name of method to be invoked.
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   * @param parameters the method parameters.
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   * @param returns the container for tge method returned value.
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   *
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   * @return the created reaquest.
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   */
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  public Request _create_request(Context context, String operation,
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                                 NVList parameters, NamedValue returns
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                                )
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  {
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    return delegate.create_request(this, context, operation, parameters, returns);
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  }
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  /**
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   * Duplicate the object reference. This does not make much sense for
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   * java platform and is just included for the sake of compliance with
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   * CORBA APIs.
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   *
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   * The method may return the object reference itself.
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   *
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   * @return as a rule, <code>this</code>.
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   */
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  public org.omg.CORBA.Object _duplicate()
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  {
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    return delegate.duplicate(this);
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  }
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  /**
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   * Get vendor specific delegate, responsible for the implemented
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   * functionality.
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   */
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  public Delegate _get_delegate()
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  {
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    return delegate;
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  }
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  /**
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   * Retrieve the domain managers for this object.
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   *
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   * @return the domain managers.
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   */
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  public DomainManager[] _get_domain_managers()
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  {
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    return delegate.get_domain_managers(this);
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  }
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  /**
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   * Get the <code>InterfaceDef</code> for this Object.
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   */
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  public org.omg.CORBA.Object _get_interface_def()
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  {
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    return delegate.get_interface_def(this);
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  }
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  /**
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   * Returns the {@link Policy}, applying to this object.
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   *
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   * @param a_policy_type a type of policy to be obtained.
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   * @return a corresponding Policy object.
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   *
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   * @throws BAD_PARAM if the policy of the given type is not
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   * associated with this object, or if it is not supported by this ORB.
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   */
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  public Policy _get_policy(int a_policy_type)
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  {
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    return delegate.get_policy(this, a_policy_type);
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  }
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  /**
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   * Get the array of interface repository ids, defining this object.
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   */
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  public abstract String[] _ids();
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  /**
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   * Get the hashcode this object reference. The same hashcode still
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   * does not means that the references are the same. From the other
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   * side, two different references may still refer to the same CORBA
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   * object. The returned value must not change during the object
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   * lifetime.
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   *
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   * @param max the maximal value to return.
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   *
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   * @return the hashcode.
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   */
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  public int _hash(int max)
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  {
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    return delegate.hash(this, max);
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  }
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  /**
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   * Invoke the operation.
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   *
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   * @param output the stream, containing the written arguments.
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   *
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   * @return the stream, from where the input parameters could be read.
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   *
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   * @throws ApplicationException if the application throws an exception,
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   * defined as a part of its remote method definition.
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   *
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   * @throws RemarshalException if reading(remarshalling) fails.
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   */
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  public InputStream _invoke(OutputStream output)
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                      throws org.omg.CORBA.portable.ApplicationException,
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                             org.omg.CORBA.portable.RemarshalException
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  {
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    return delegate.invoke(this, output);
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  }
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  /**
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   * Check if this object can be referenced by the given repository id.
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   *
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   * @param idl_id the repository id.
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   *
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   * @return true if the passed parameter is a repository id of this
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   * CORBA object.
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   */
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  public boolean _is_a(String idl_id)
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  {
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    return delegate.is_a(this, idl_id);
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  }
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  /**
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   * Return true if the other object references are equivalent, so far as
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   * it is possible to determine this easily.
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   *
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   * @param other the other object reference.
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   *
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   * @return true if both references refer the same object, false
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   * if they probably can refer different objects. Uses direct
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   * comparison if the delegate has not been set.
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   */
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  public boolean _is_equivalent(org.omg.CORBA.Object other)
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  {
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    return (delegate == null) ? this == other
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           : delegate.is_equivalent(this, other);
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  }
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  /**
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   * Returns true if the object is local.
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   *
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   * @return false, always (following 1.4 specs). Override to get
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   * functionality.
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   */
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  public boolean _is_local()
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  {
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    return delegate.is_local(this);
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  }
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  /**
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  * Determines if the server object for this reference has already
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  * been destroyed.
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  *
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  * @return true if the object has been destroyed, false otherwise.
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  */
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  public boolean _non_existent()
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  {
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    return delegate.non_existent(this);
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  }
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  /**
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   * Provides the reference to ORB.
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   *
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   * @return the associated ORB.
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   */
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  public ORB _orb()
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  {
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    return delegate.orb(this);
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  }
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  /**
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   * Free resoureces, occupied by this reference. The object implementation
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   * is not notified, and the other references to the same object are not
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   * affected.
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   */
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  public void _release()
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  {
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    delegate.release(this);
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  }
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  /**
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   * Release the reply stream back to ORB after finishing reading the data
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   * from it.
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   *
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   * @param stream the stream, normally returned by {@link #_invoke} or
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   * {@link ApplicationException#getInputStream()}, can be null.
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   */
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  public void _releaseReply(InputStream stream)
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  {
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    if (delegate != null)
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      delegate.releaseReply(this, stream);
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  }
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  /**
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   * Create a request to invoke the method of this CORBA object.
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   *
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   * @param method the name of the method to invoke.
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   *
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   * @return the request.
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   */
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  public Request _request(String method)
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  {
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    return delegate.request(this, method);
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  }
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  /**
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   * Create a request to invoke the method of this CORBA object.
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   *
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   * @param method the name of the method to invoke.
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   * @param response_expected specifies if this is one way message or the
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   * response to the message is expected.
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   *
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   * @return the stream where the method arguments should be written.
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   */
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  public org.omg.CORBA.portable.OutputStream _request(String method,
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                                                      boolean response_expected
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                                                     )
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  {
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    return delegate.request(this, method, response_expected);
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  }
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  /**
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   * This method is always called after invoking the operation on the
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   * local servant.
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   *
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   * The default method returns without action.
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   *
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   * @param servant the servant.
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   */
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  public void _servant_postinvoke(ServantObject servant)
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  {
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    delegate.servant_postinvoke(this, servant);
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  }
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  /**
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   * Returns a servant that should be used for this request.
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   * The servant can also be casted to the expected type, calling the
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   * required method directly.
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   *
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   * @param method the operation
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   * @param expected_type the expected type of the servant.
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   *
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   * This implementation always returns null; override for different
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   * behavior.
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   *
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   * @return the servant or null if the servant is not an expected type
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   * of the method is not supported, for example, due security reasons.
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   */
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  @SuppressWarnings("unchecked") // Needed for API compatibility
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  public ServantObject _servant_preinvoke(String method, Class expected_type)
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  {
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    return delegate.servant_preinvoke(this, method, expected_type);
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  }
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  /**
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   * Set the delegate, responsible for the implemented functionality.
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   *
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   * @param a_delegate a delegate, responsible for the implemented
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   * functionality.
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   */
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  public void _set_delegate(Delegate a_delegate)
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  {
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    delegate = a_delegate;
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  }
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  /**
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   * Returns a new object with the new policies either replacing or
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   * extending the current policies, depending on the second parameter.
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   *
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   * @param policies the policy additions or replacements.
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   * @param how either {@link SetOverrideType#SET_OVERRIDE} to override the
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   * current policies of {@link SetOverrideType#ADD_OVERRIDE} to replace
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   * them.
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   */
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  public org.omg.CORBA.Object _set_policy_override(Policy[] policies,
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                                                   SetOverrideType how
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                                                  )
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  {
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    return delegate.set_policy_override(this, policies, how);
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  }
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  /**
378
   * Check if this object is equal to another object.
379
   *
380
   * @param other the other object to compare.
381
   *
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   * @return true if the objects are equal.
383
   */
384
  public boolean equals(java.lang.Object other)
385
  {
386
    if (delegate == null)
387
      return this == other;
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    else
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      return delegate.equals(this, other);
390
  }
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392
  /**
393
   * Return the string representation of the passed object.
394
   *
395
   * @return the string representation.
396
   */
397
  public String toString()
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  {
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    return delegate.toString(this);
400
  }
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}

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